Mathematics
Senior High
⑴の解き方を教えてください!!
V7+V5
(2)
方 中学で学んだ「分母の有理化」と「展開
1
(1)
✓7+√5
√7-√5
(√7+√5) (√7-√5)
√7-√5
=
2)
√3
√3-1
=
=
(√72-√5)2
√7-√5
= ア
7-5
√3 (√3+1)
(3-1) (√3+1)
√3 (√3+1)
(√3)2-12
(答)
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